JEE Advanced 2014 Physics question
A light source, which emits two wavelengths nm and nm, is used in a Young's double slit experiment. If recorded fringe widths for and are and and the number of fringes for them within a distance y on one side of the central maximum are and , respectively, then
Answer: (A),(B),(C)
Solution
, so since (A true). The number of fringes in a distance y is , so (B true). 3rd maximum of : (nm
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